Abstract
Lithiated oxazolo[3,4-
a]benzimidazole
4 reacted with various alkyl halides to give oxazolo[3,4-
a]benzimidazoles
5a–
d in good yields as single diastereoisomers. (
R)-Benzimidazol-2-yl carbinols
6a–
d were obtained upon hydrolysis under acidic conditions of 1
H,3
H-oxazolo[3,4-
a]benzimidazole derivatives.